learning/katas/python/Core Transforms/Side Output/Side Output/tests.py

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from test_helper import run_common_tests, failed, passed, \
    get_answer_placeholders, get_file_output


def test_dofn_process_method():
    placeholders = get_answer_placeholders()
    placeholder = placeholders[0]

    if 'pvalue.TaggedOutput' in placeholder:
        passed()
    else:
        failed('Use pvalue.TaggedOutput')


def test_pardo():
    placeholders = get_answer_placeholders()
    placeholder = placeholders[1]

    if all(['beam.ParDo(ProcessNumbersDoFn())', '.with_outputs,']) in placeholder:
        passed()
    else:
        failed('Use beam.ParDo that outputs multiple outputs')


def test_output():
    output = get_file_output()

    numbers_below_100 = ['0', '10', '20', '50']
    numbers_above_100 = ['120', '200']

    answers = []

    for num in numbers_below_100:
        answers.append('Number <= 100: ' + num)

    for num in numbers_above_100:
        answers.append('Number > 100: ' + num)

    if all(num in output for num in answers):
        passed()
    else:
        failed("Incorrect output. Output the numbers to the output tags accordingly.")


if __name__ == '__main__':
    run_common_tests()
    test_dofn_process_method()
    test_pardo()
    test_output()